CN1216474C - Call transmission method between communication network and data network - Google Patents
Call transmission method between communication network and data network Download PDFInfo
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- CN1216474C CN1216474C CN02130328.2A CN02130328A CN1216474C CN 1216474 C CN1216474 C CN 1216474C CN 02130328 A CN02130328 A CN 02130328A CN 1216474 C CN1216474 C CN 1216474C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6486—Signalling Protocols
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Abstract
The invention relates to a method for transferring a call between a telecommunications network and a data network. Between the data network and the telecommunications network an internetwork computer (gateway) is arranged, by which voice data of the call is converted from a format used in the telecommunications network into a format used in the data network, and conversely. Signaling data of the call is processed by a data processing device arranged in the data network. In order to make full use of the available functions of a signaling channel in telecommunications networks, even with voice connections that are partially over a data network, it is proposed that the signaling data be transferred bit-transparently between the gateway and the data processing device.
Description
Technical field
The present invention is based at first to file EP 01 440 267.1, its content is contained in this for your guidance.
The present invention relates to a kind of method that is used for call transmission between communication network and data network.An internet computer is set between data network and communication network, is form used in the data network by speech data used format conversion from communication network of its calling, and vice versa.The calling signaling data are handled by the data processing equipment that is arranged in this data network.
The invention still further relates to a kind of data processing equipment of data network, this data network is connected to communication network by internet computer.
At last, the present invention relates to a kind of internet computer (so-called gateway) that is arranged between communication network and the data network.This gateway represents that be form used in the data network to speech data used format conversion from communication network of calling out, and vice versa.
Background technology
Method mentioned above and gateway can obtain from the prior art that is used for the application of IP (Internet protocol) voice-bearer.In the application of Voice over IP, the speech data of calling is in transmitted over communications networks, and transmits on IP-based data network.This communication network for example is a kind of public phone network (PSTN, a public switched telephone network).Data network can be LAN (local area network (LAN)), HFC (hybrid fiber/ coax, HFC) network or WLL (wireless local loop) network, can be based on IP (Internet protocol) transmission data on these networks.
Use for Voice over IP, the used communication terminal of user is connected to data network by one or more gateways.This communication terminal for example is phone or personal computer (PC), and it has suitable hardware and software.This data network is connected to communication network by another gateway.A data treatment facility is set in this data network.For a calling that arrives by communication network, this signaling data is converted to order by gateway, and this order is transferred to data processing equipment.This data processing equipment establishes a connection to called user's communications and connects on IP-based data network.After establishing a communications link, this gateway is responsible for being used for the form of communication network (for example, TDM, time division multiplexing) and being used for the conversion of the voice calls data between the form (IP, Internet protocol) of data network.
The calling signaling data that are converted to order by gateway are by by the signaling channel transmission, and this signaling channel for example is called the D channel for ISDN.This signaling data is used to the control connection setting, is used to keep connecting and the controlled release that is used to be connected.But, only can be used for communication network fully by the function that signaling channel provided.But in the application of existing Voice over IP, the function almost of signaling channel can be used.Its reason is before signaling data is sent to data processing equipment, and it is converted to corresponding order by gateway.And existing gateway needs considerable work to be used for signaling data is converted to order.
Summary of the invention
Therefore, connect the available function that also can use the signaling channel in communication network simply fully even the objective of the invention is at the voice on the data network for part.
In order to realize this purpose, the present invention proposes a kind of method that is used for call transmission mentioned above, wherein this signaling data by numerical digit pellucidly (bit-transparently) be transferred to data processing equipment from this gateway, and by this device translates is the corresponding control command that is used for gateway, and this control command is sent to the Connection Element that this gateway is used for being controlled at data network; Perhaps in the opposite direction, control command is sent to this data processing equipment from this gateway, is corresponding signaling data by this device translates, and this signaling data is sent to this gateway pellucidly by numerical digit, is used to be forwarded to this communication network.
Data in data network are preferably transmitted by Internet protocol (IP).In network according to the present invention, can utilize the repertoire scope of call signaling data.Thus, these call signaling data are transmitted between gateway and data processing equipment pellucidly by numerical digit.With opposite at the transfer of data of order, message or packet, one connects a ground and carries out transmission in the transparent transfer of data of numerical digit.In addition, when using the method according to this invention, unique needs be to make the data processing equipment self adaptation by employed form of gateway or agreement, and gateway itself does not need self adaptation.Therefore gateway can be realized especially simply.
Data processing equipment is converted to the corresponding control command that is used for gateway to the signaling data that is received, and this gateway is set between communication network and the data network.This control command is sent to gateway and performed by gateway, to be controlled at the Connection Element in the data network.
In the opposite direction, control command is transferred to data processing equipment from gateway, and is corresponding signaling data by this device translates.This signaling data is transferred to this gateway pellucidly by numerical digit, is used to be forwarded to this communication network.
This data processing equipment is a server, and it is connected to data network.This data processing equipment has the task of conversion calling signaling data, this signaling data is sent to data processing equipment from gateway pellucidly by the first agreement numerical digit, be converted to control commands corresponding, this control command is sent to this gateway or other gateway by second agreement, and carries out with the control connection element.First agreement is for example worked according to V5.2 standard (accounting for the standard of main flow in Europe) or GR303 standard (accounting for the standard of main flow in the U.S.).Second agreement for example is a MGCP or SIP, perhaps works according to standard H.323.In addition, a plurality of other prior protocols can be used as agreement at this.
According to a preferred aspect of the present invention, it proposes this state information and is sent to this data processing equipment by the network element control interface by gateway.For this purpose, for example be provided between gateway and the data processing equipment as the data transmission link of NMC (network management consloe).By this data transmission link, purpose for example in order to safeguard, this synchronizing information may be affected.In 2M bit walk system, for example the PCM30 interface channel 0 may influence this data transmission link.The current state that connects the connection of setting or existing communication may be inquired about or be influenced.
According to a preferred aspect of the present invention, it proposes the calling signaling data and is converted to the corresponding control command that is used for other gateway by data processing equipment, this other gateway is set between data network and at least one communication terminal, and this control command is transferred to other gateway, be used for being controlled at the Connection Element of data network, perhaps on the contrary, control command is sent to this data processing equipment from this other gateway, by this device translates is corresponding signaling data, and this signaling data is sent to this gateway pellucidly by numerical digit, is used to be forwarded to this communication network.Communication terminal is connected to this data network by other gateway.This communication terminal can be phone or computer, and particularly as personal computer, it has suitable hardware and software.According to this development, this signaling data so is converted to the control command that is used for the gateway between communication network and the data network on the one hand, also is converted into the control command that is used for other gateway on the other hand.This gateway and other gateway are carried out this control command, to be controlled at the Connection Element in the data network.The control command that the present invention is proposed to be used in gateway or other gateway transmits with following a kind of agreement: MGCP (MGCP), SIP (session simulation agreement) or according to the agreement of standard H.323.This control command preferably is transferred to this gateway or other gateway by data network.
As the another kind of method of implementing purpose of the present invention, the present invention proposes the data processing equipment of above-mentioned a kind of data network, this data processing equipment has calling signaling data from communication network that are used to receive the numerical digit transparent transmission, be used for this signaling data is converted to the device of the corresponding control command that is used for this gateway, and be used for this control command is sent to the device that this gateway is used to be controlled at the Connection Element of data network.In order to carry out the transparent transfer of data of numerical digit in the opposite direction, this data processing equipment has the device that is used to receive from the control command of gateway, be used for this control command is converted to the device of corresponding signaling data, and be used for the signaling data numerical digit is transferred to gateway pellucidly to be forwarded to the device of this communication network.
Self-evident, this data processing equipment not only is converted to control commands corresponding to signaling data, but also control command is converted to corresponding signaling data on the contrary, it is sent to this gateway, and be forwarded to the switching center in this communication network, and be used for being controlled at the Connection Element of communication network in this execution.
According to a preferred aspect of the present invention, it proposes this data processing equipment and has the device that is used for signaling data is converted to the corresponding control command that is used to be arranged on other gateway between data network and at least one communication terminal, and be used for this control command is sent to other gateway, be used for being controlled at the device of the Connection Element of data network, perhaps be used for control command is sent to from other gateway the device of this data processing equipment, be used for control command is converted to the device of corresponding signaling data, and be used for the signaling data numerical digit is transferred to this gateway pellucidly to be forwarded to the device of this communication network.
According to a preferred embodiment of the present invention, it proposes the device that this data processing equipment has execution the method according to this invention.
As another method that realizes purpose of the present invention, it proposes a kind of gateway that is arranged between communication network and the data network, it has the device that is used for calling signaling data numerical digit is transferred to pellucidly the data processing equipment of data network, be used for receiving device, and be used for carrying out the device of this control command with the Connection Element that is controlled at this data network corresponding to the control command of signaling data from data processing equipment.For numerical digit is in the opposite direction transmitted pellucidly, this gateway has the device that is used for control command is transferred to data processing equipment, be used to receive the device of the signaling data that transmits pellucidly corresponding to the numerical digit of this control command, and the device that is used for this signaling data is forwarded to communication network.
According to a preferred aspect of the present invention, this gateway has the device that this signaling data is compressed and/or decompresses.In this data processing equipment, have corresponding device thereof and be used for this signaling data is decompressed or compresses.
According to a preferred embodiment of the present invention, it proposes this gateway and has the device that the state information of network element control interface of this gateway of visit is sent to this data processing equipment.Device as this state information of transmission can provide a kind of data transmission link, and it is as a kind of NMC (network management consloe).
According to a further advantageous embodiment of the invention, it proposes this gateway by being connected with this communication network with E1 interface that the V5.2 communication channel is joined.It proposes this gateway by being connected with this communication network with E1 interface that the D communication channel is joined in addition.Preferably, this gateway has the device of carrying out the method according to this invention.
The accompanying drawing summary
From hereinafter with reference to the description of accompanying drawing to embodiments of the invention, of the present invention may use with advantage will be clearer.At this, the characteristics of all descriptions or performance are independent or anyly be combined to form main body of the present invention, and irrelevant with the general introduction in claims or its associated description, and with respectively described in specification or the accompanying drawing or show irrelevant.In the drawings:
Fig. 1 is the network configuration that is used to carry out method according to a preferred embodiment of the present invention; And
Fig. 2 is a data processing equipment according to a preferred embodiment of the present invention, and it is connected to other assembly of the network configuration of Fig. 1.
Embodiment
Several communication terminal shown in Figure 1, it for example is phone 1 or personal computer (PC2).This communication terminal 1,2 is connected to data network 4 based on IP (Internet protocol) by gateway (residential gateway) 3.And what be connected to data network 4 is gateway (UAG, universal access network close) 5 and data processing equipment (ACA inserts Call Agent) 6.
IP-based data network 4 can be used as Local Area Network, as hybrid fiber/ coax, HFC (HFC) network or as wireless local loop (WLL) network.All these networks provide can transmission of speech signals data connect.
In gateway 3, use SIP (session simulation agreement) for example or MGCP (MGCP) or according to agreement of standard H.323 or the like.
Under the help of the network configuration shown in Fig. 1, can realize the application of IP (Internet protocol) voice-bearer.In this case, the voice signal of calling transmits but also pass through IP-based data network 4 not only by communication network 7 transmission.
For the application of Voice over IP, for the telephone service features that provides in the pure communication network 7 on signaling channel can be provided as much as possible, the method according to this invention is suggested and is used for call transmission between communication network 7 and data network 4.This telephone service features can be realized by the switching center that is connected to gateway 5 by the E1 interface.
The essential part of the method according to this invention is carried out in data processing equipment 6.For the calling from communication network 7, data processing equipment 6 switches to the subscriber terminal equipment 1 or 2 that is connected with gateway 3 by a connection.Thus, data processing equipment 6 is estimated that arrive by the V5.2 communication channel and the call attempt use Media Gateway Control Protocol, control command is outputed to gateway 5 and gateway 3, the Connection Element that the voice of realizing by IP-based data network 4 with control connect.The control of this Connection Element comprise connection setting, keep and finish.
The data of this signaling data by the 64k bps connect 9 and are connected to data processing equipment 6 from gateway 5.This bind command is sent to gateway 5 by connecting 10 from data processing equipment 6, and is sent to gateway 3 by connecting 11.This connection 10 and 11 for example realizes by IP-based data network 4.This data processing equipment 6 further produces the data flow of the 64k bps of a V5.2, and it is sent to switching center 8 by gateway 5, is used to activate this switching center 8.
Meanwhile, the another one of the network element control interface of this data processing equipment 6 by walking around gateway 5 connects and receives and status data, so that be provided with or estimate the code (so-called sign) of the required V5.2 standard in the channel 0 of corresponding V5.2 interface that conforms to.It seems that from switching center 8 data network 4 looks like the accesses network of a routine, it has V5.2 or GR303 interface.
An allocation table is provided in this data processing equipment 6, wherein preserves the user's that can arrive user or respective communication terminal 1,2 call number and corresponding IP address.
Referring to Fig. 2, with the function of illustrating data processing equipment 6 again when a calling by when communication network 7 is sent to data network 4, this data processing equipment 6 is responsible for the control of Connection Elements, comprises by IP-based data network 4 connection is set.This is by the calling signaling data being converted to control commands corresponding and using any agreement (MGCP, SIP, according to agreement of standard H.323 or the like) to be sent to gateway 3,5.When calling out by when data network 4 is sent to communication network 7, this data processing equipment 6 is responsible for the control of Connection Elements, comprises by communication network 7 connection is set.This is to produce corresponding signaling data by data processing equipment 6 from the order from gateway 3,5, and for example is written to the V5.2 interface or the such signaling channel of GR303 interface is realized.
In addition, this data processing equipment 6 has the connection 12 that is used for network control (so-called network element management), so that it controls IP-based Connection Element.Like this, the basic task of data processing equipment 6 is from usefulness first agreement of communication network 7 (for example, V5.2, GR303 or the like) signaling data that is sent to data processing equipment 6 is converted to control commands corresponding, and it is sent to gateway 3,5 with second agreement (MGCP, SIP, according to agreement of standard H.323 or the like); Perhaps the control command from gateway 3,5 is converted to corresponding signaling data.
Claims (14)
1. method that is used for call transmission between communication network and data network, a gateway is arranged between data network and the communication network, by this gateway is the speech data of calling out the form that is used for data network from the format conversion that is used for communication network, and conversion on the contrary, the data processing equipment that these calling signaling data are set in the data network is handled, wherein this signaling data is transferred to data processing equipment from this gateway pellucidly by numerical digit, and by this device translates is the corresponding control command that is used for gateway, and this control command is sent to the Connection Element that this gateway is used for being controlled at data network; Perhaps in the opposite direction, control command is sent to this data processing equipment from this gateway, is corresponding signaling data by this device translates, and this signaling data is sent to this gateway pellucidly by numerical digit, is used to be forwarded to this communication network.
2. method according to claim 1, wherein this state information is sent to this data processing equipment by the network element control interface by gateway.
3. method according to claim 1, wherein these calling signaling data are converted to the corresponding control command that is used for other gateway by data processing equipment, this other gateway is set between data network and at least one communication terminal, and this control command is transferred to other gateway, be used for being controlled at the Connection Element of data network, perhaps on the contrary, control command is sent to this data processing equipment from this other gateway, by this device translates is corresponding signaling data, and this signaling data is sent to this gateway pellucidly by numerical digit, is used to be forwarded to this communication network.
4. method according to claim 1, wherein the data in this data network are transmitted by Internet protocol.
5. the data processing equipment of a data network, it is connected to a communication network by a gateway computer, and wherein this data processing equipment has: be used for receiving the numerical digit transparent transmission the device from calling signaling data of communication network, be used for that this signaling data is converted to the device of the corresponding control command that is used for this gateway and be used for this control command is sent to the device that this gateway is used to be controlled at the Connection Element of data network; Perhaps have the device that is used to receive from the control command of gateway, be used for this control command being converted to the device of corresponding signaling data and being used for the signaling data numerical digit is transferred to gateway pellucidly to be forwarded to the device of this communication network.
6. data processing equipment according to claim 5, wherein this data processing equipment has and is used for that signaling data is converted to the device of the corresponding control command that is used to be arranged on other gateway between data network and at least one communication terminal and is used for this control command is sent to the device that other gateway is used to be controlled at the Connection Element of data network; Perhaps have be used for control command from other gateway be sent to this data processing equipment device, be used for control command being converted to the device of corresponding signaling data and being used for the signaling data numerical digit is transferred to this gateway pellucidly to be forwarded to the device of this communication network.
7. data processing equipment according to claim 5, wherein this data processing equipment has the device that this signaling data is compressed and/or decompresses.
8. data processing equipment according to claim 5, wherein this data processing equipment has the device that is used for one of enforcement of rights requirement 1 to 4 described a kind of method.
9. gateway that is arranged between communication network and the data network, it has and is used for the speech data of calling out at the form that is used for communication network be used between the form of data network the device of conversion mutually, wherein this gateway have be used for calling signaling data numerical digit be transferred to pellucidly the data processing equipment of data network device, be used for receiving corresponding to the device of the control command of signaling data and being used to carry out the device of this control command with the Connection Element that is controlled at this data network from data processing equipment; Perhaps have be used for control command be transferred to data processing equipment device, be used to the device that receives the device of the signaling data that transmits pellucidly corresponding to the numerical digit of this control command and be used for this signaling data is forwarded to communication network.
10. gateway according to claim 9, wherein this gateway has the device that this signaling data is compressed and/or decompresses.
11. gateway according to claim 9, wherein this gateway has the device that the state information on the network element control interface of this gateway is sent to this data processing equipment.
12. gateway according to claim 9, wherein this gateway is by being connected with this communication network with E1 interface that the V5.2 communication channel is joined.
13. gateway according to claim 9, wherein this gateway is by being connected with this communication network with E1 interface that the D communication channel is joined.
14. gateway according to claim 9, wherein this gateway has the device that is used for a kind of method described in one of enforcement of rights requirement 1 to 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01440267A EP1286508B1 (en) | 2001-08-17 | 2001-08-17 | Method to transmit a call between a telecommunication network and a data network |
| EP01440267.1 | 2001-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1407774A CN1407774A (en) | 2003-04-02 |
| CN1216474C true CN1216474C (en) | 2005-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02130328.2A Expired - Fee Related CN1216474C (en) | 2001-08-17 | 2002-08-16 | Call transmission method between communication network and data network |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8054825B2 (en) |
| EP (1) | EP1286508B1 (en) |
| JP (1) | JP2003134173A (en) |
| CN (1) | CN1216474C (en) |
| AT (1) | ATE299633T1 (en) |
| DE (1) | DE50106735D1 (en) |
| ES (1) | ES2241769T3 (en) |
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| US20040117304A1 (en) * | 2001-04-02 | 2004-06-17 | Georg Kastelewicz | Method for billing services using a prepaid account |
| DE10352378A1 (en) * | 2003-11-10 | 2005-06-09 | Siemens Ag | Method for establishing a communication connection |
| CN104125207A (en) * | 2013-04-27 | 2014-10-29 | 启碁科技股份有限公司 | Communication system, device and method supporting circuit switching and packet switching |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225389C1 (en) * | 1992-07-31 | 1993-09-30 | Siemens Ag | Method for displaying subscriber-specific data when transmitting signaling signals and message signals between narrowband networks and ATM networks |
| DE4444153C1 (en) * | 1994-12-12 | 1995-10-19 | Lechner Robert | Process for the multiple use of bit-transparent dial-up connections in ISDN and device for carrying out the process |
| US6069890A (en) * | 1996-06-26 | 2000-05-30 | Bell Atlantic Network Services, Inc. | Internet telephone service |
| CA2217838C (en) * | 1996-11-07 | 2003-07-29 | At&T Corp. | Wan-based voice gateway |
| US6377568B1 (en) * | 1996-11-20 | 2002-04-23 | Netspeak Corporation | Method and apparatus for performing call matching for internet telephones in legacy call centers |
| US6259691B1 (en) * | 1998-07-24 | 2001-07-10 | 3Com Corporation | System and method for efficiently transporting dual-tone multi-frequency/multiple frequency (DTMF/MF) tones in a telephone connection on a network-based telephone system |
| US6483912B1 (en) * | 1998-08-04 | 2002-11-19 | At&T Corp. | Method for allocating network resources |
| KR100290675B1 (en) * | 1998-08-26 | 2001-07-12 | 윤종용 | Methdo for monitoring digital line signal in pabx |
| US6782004B1 (en) * | 1998-11-09 | 2004-08-24 | Lucent Technologies Inc. | Intelligent network signaling using an open system protocol |
| US6760323B1 (en) * | 1999-02-04 | 2004-07-06 | Concerto Software, Inc. | System and method for providing audio communication over a computer network using differing communication formats |
| US6775266B1 (en) * | 1999-07-14 | 2004-08-10 | Telefonaktiebolaget Lm Ericsson | Narrowband applications using ATM switching and transport |
| US6735175B1 (en) * | 1999-12-16 | 2004-05-11 | Ericsson Inc. | Changing quality of service for voice over IP calls |
| IL137864A (en) * | 2000-08-15 | 2004-12-15 | Eci Telecom Ltd | Method for signaling information compression in a telecommunication network |
| US7173925B1 (en) * | 2001-07-18 | 2007-02-06 | Cisco Technology, Inc. | Method and system of control signaling for a wireless access network |
| US7046683B1 (en) * | 2001-07-31 | 2006-05-16 | Cisco Technology, Inc. | VoIP over access network |
-
2001
- 2001-08-17 ES ES01440267T patent/ES2241769T3/en not_active Expired - Lifetime
- 2001-08-17 DE DE50106735T patent/DE50106735D1/en not_active Expired - Lifetime
- 2001-08-17 AT AT01440267T patent/ATE299633T1/en not_active IP Right Cessation
- 2001-08-17 EP EP01440267A patent/EP1286508B1/en not_active Expired - Lifetime
-
2002
- 2002-08-05 JP JP2002227329A patent/JP2003134173A/en not_active Withdrawn
- 2002-08-14 US US10/217,427 patent/US8054825B2/en active Active
- 2002-08-16 CN CN02130328.2A patent/CN1216474C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2241769T3 (en) | 2005-11-01 |
| US8054825B2 (en) | 2011-11-08 |
| EP1286508A1 (en) | 2003-02-26 |
| ATE299633T1 (en) | 2005-07-15 |
| EP1286508B1 (en) | 2005-07-13 |
| JP2003134173A (en) | 2003-05-09 |
| CN1407774A (en) | 2003-04-02 |
| US20030035415A1 (en) | 2003-02-20 |
| DE50106735D1 (en) | 2005-08-18 |
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